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ISO 10727:1995

Tea and instant tea in solid form — Determination of caffeine content — Method using high-performance liquid chromatography

Standard Details

The method specified is based on extracting the caffeine from a test portion with water at 90 °C in the presence of magnesium oxide, filtration followed by determination of the caffeine content by HPLC with UV detection. Applies to teas and instant teas with a caffeine content of greater than 0,3 % (m/m).

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: ISO 10727:1995
Document Year: 1995
Pages: 6
Edition: 1

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WITHDRAWN
ISO 10727:1995
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